/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _UI_INPUT_WINDOW_H #define _UI_INPUT_WINDOW_H #include "Input.h" #include "InputTransport.h" #include #include "Timers.h" #include "String8.h" #include "SkRegion.h" #include "InputApplication.h" namespace android { /* * Describes the properties of a window that can receive input. */ struct InputWindowInfo { // Window flags from WindowManager.LayoutParams enum { FLAG_ALLOW_LOCK_WHILE_SCREEN_ON = 0x00000001, FLAG_DIM_BEHIND = 0x00000002, FLAG_BLUR_BEHIND = 0x00000004, FLAG_NOT_FOCUSABLE = 0x00000008, FLAG_NOT_TOUCHABLE = 0x00000010, FLAG_NOT_TOUCH_MODAL = 0x00000020, FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040, FLAG_KEEP_SCREEN_ON = 0x00000080, FLAG_LAYOUT_IN_SCREEN = 0x00000100, FLAG_LAYOUT_NO_LIMITS = 0x00000200, FLAG_FULLSCREEN = 0x00000400, FLAG_FORCE_NOT_FULLSCREEN = 0x00000800, FLAG_DITHER = 0x00001000, FLAG_SECURE = 0x00002000, FLAG_SCALED = 0x00004000, FLAG_IGNORE_CHEEK_PRESSES = 0x00008000, FLAG_LAYOUT_INSET_DECOR = 0x00010000, FLAG_ALT_FOCUSABLE_IM = 0x00020000, FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000, FLAG_SHOW_WHEN_LOCKED = 0x00080000, FLAG_SHOW_WALLPAPER = 0x00100000, FLAG_TURN_SCREEN_ON = 0x00200000, FLAG_DISMISS_KEYGUARD = 0x00400000, FLAG_SPLIT_TOUCH = 0x00800000, FLAG_HARDWARE_ACCELERATED = 0x01000000, FLAG_HARDWARE_ACCELERATED_SYSTEM = 0x02000000, FLAG_SLIPPERY = 0x04000000, FLAG_NEEDS_MENU_KEY = 0x08000000, FLAG_KEEP_SURFACE_WHILE_ANIMATING = 0x10000000, FLAG_COMPATIBLE_WINDOW = 0x20000000, FLAG_SYSTEM_ERROR = 0x40000000, }; // Window types from WindowManager.LayoutParams enum { FIRST_APPLICATION_WINDOW = 1, TYPE_BASE_APPLICATION = 1, TYPE_APPLICATION = 2, TYPE_APPLICATION_STARTING = 3, LAST_APPLICATION_WINDOW = 99, FIRST_SUB_WINDOW = 1000, TYPE_APPLICATION_PANEL = FIRST_SUB_WINDOW, TYPE_APPLICATION_MEDIA = FIRST_SUB_WINDOW+1, TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2, TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3, TYPE_APPLICATION_MEDIA_OVERLAY = FIRST_SUB_WINDOW+4, LAST_SUB_WINDOW = 1999, FIRST_SYSTEM_WINDOW = 2000, TYPE_STATUS_BAR = FIRST_SYSTEM_WINDOW, TYPE_SEARCH_BAR = FIRST_SYSTEM_WINDOW+1, TYPE_PHONE = FIRST_SYSTEM_WINDOW+2, TYPE_SYSTEM_ALERT = FIRST_SYSTEM_WINDOW+3, TYPE_KEYGUARD = FIRST_SYSTEM_WINDOW+4, TYPE_TOAST = FIRST_SYSTEM_WINDOW+5, TYPE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+6, TYPE_PRIORITY_PHONE = FIRST_SYSTEM_WINDOW+7, TYPE_SYSTEM_DIALOG = FIRST_SYSTEM_WINDOW+8, TYPE_KEYGUARD_DIALOG = FIRST_SYSTEM_WINDOW+9, TYPE_SYSTEM_ERROR = FIRST_SYSTEM_WINDOW+10, TYPE_INPUT_METHOD = FIRST_SYSTEM_WINDOW+11, TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12, TYPE_WALLPAPER = FIRST_SYSTEM_WINDOW+13, TYPE_STATUS_BAR_PANEL = FIRST_SYSTEM_WINDOW+14, TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15, TYPE_DRAG = FIRST_SYSTEM_WINDOW+16, TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17, TYPE_POINTER = FIRST_SYSTEM_WINDOW+18, TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19, TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20, TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21, LAST_SYSTEM_WINDOW = 2999, }; enum { INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES = 0x00000001, }; sp inputChannel; String8 name; int32_t layoutParamsFlags; int32_t layoutParamsType; nsecs_t dispatchingTimeout; int32_t frameLeft; int32_t frameTop; int32_t frameRight; int32_t frameBottom; float scaleFactor; #ifdef HAVE_ANDROID_OS SkRegion touchableRegion; #endif bool visible; bool canReceiveKeys; bool hasFocus; bool hasWallpaper; bool paused; int32_t layer; int32_t ownerPid; int32_t ownerUid; int32_t inputFeatures; bool touchableRegionContainsPoint(int32_t x, int32_t y) const; bool frameContainsPoint(int32_t x, int32_t y) const; /* Returns true if the window is of a trusted type that is allowed to silently * overlay other windows for the purpose of implementing the secure views feature. * Trusted overlays, such as IME windows, can partly obscure other windows without causing * motion events to be delivered to them with AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. */ bool isTrustedOverlay() const; bool supportsSplitTouch() const; }; /* * Handle for a window that can receive input. * * Used by the native input dispatcher to indirectly refer to the window manager objects * that describe a window. */ class InputWindowHandle : public RefBase { public: const sp inputApplicationHandle; inline const InputWindowInfo* getInfo() const { return mInfo; } inline sp getInputChannel() const { return mInfo ? mInfo->inputChannel : NULL; } inline String8 getName() const { return mInfo ? mInfo->name : String8(""); } inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const { return mInfo ? mInfo->dispatchingTimeout : defaultValue; } /** * Requests that the state of this object be updated to reflect * the most current available information about the application. * * This method should only be called from within the input dispatcher's * critical section. * * Returns true on success, or false if the handle is no longer valid. */ virtual bool updateInfo() = 0; /** * Releases the storage used by the associated information when it is * no longer needed. */ void releaseInfo(); protected: InputWindowHandle(const sp& inputApplicationHandle); virtual ~InputWindowHandle(); InputWindowInfo* mInfo; }; } // namespace android #endif // _UI_INPUT_WINDOW_H